meta: add mailmap entry for legendecas

PR-URL: nodejs#52795
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Yagiz Nizipli <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>

.mailmap

@@ -98,6 +98,7 @@ Chen Gang <[email protected]>
 Chen Gang <[email protected]> <[email protected]>
 Chengzhong Wu <[email protected]>
 Chengzhong Wu <[email protected]> <[email protected]>
+Chengzhong Wu <[email protected]> <[email protected]>
 Chew Choon Keat <[email protected]>
 Chris Andrews <[email protected]>
 Chris Johnson <[email protected]>